Fuel Smarts

SmartWay

Looks like SmartWay’s days are numbered, if not those of the entire Environmental Protection Agency, but we shouldn't be especially sad if EPA budget cuts kill SmartWay. We have options, writes Rolf Lockwood, Executive Contributing Editor.

The Peterbilt-Cummins SuperTruck project achieved almost-unheard-of gains of 68% in freight efficiency over a 24-hour duty-cycle, a 50% improvement in freight efficiency on an 11-hour drive-cycle and a 20% improvement in the thermal efficiency of the engine. How did they do it, and what does that mean?